We herein report a case of successful papillary muscle approximation for severe mitral regurgitation and HeartMate 3 left ventricular assist device implantation via left anterior thoracotomy in a 39-year-old man diagnosed with dilated cardiomyopathy. He underwent papillary muscle approximation in the mitral valve for severe functional regurgitation via the apical cuff hole. The postoperative course was uneventful. Echocardiography revealed that mitral regurgitation has disappeared. He was awaiting heart transplantation while working.
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